commit 8930caaa1a283092aca81fdbc3fcf15c7eadb197
author Bram Moolenaar <Bram@vim.org> Thu Jul 23 16:37:03 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Thu Jul 23 16:37:03 2020 +0200
tree b88ad868a29b0c26a4224cce4c69f35b9655dfec
parent 8d5f6af5e5a5edfd3fa95f33540c204f4e74331e

patch 8.2.1280: Ex command error cannot contain an argument

Problem:    Ex command error cannot contain an argument.
Solution:   Add ex_errmsg() and translate earlier.  Use e_trailing_arg where
            possible.

src/match.c

diff --git a/src/match.c b/src/match.c
index 024ba37..2bb98fe 100644
--- a/src/match.c
+++ b/src/match.c
@@ -1329,7 +1329,7 @@
 	    if (*end != NUL && !ends_excmd2(end, skipwhite(end + 1)))
 	    {
 		vim_free(g);
-		eap->errmsg = e_trailing;
+		eap->errmsg = ex_errmsg(e_trailing_arg, end);
 		return;
 	    }
 	    if (*end != *p)